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authorCorey Minyard <cminyard@mvista.com>2017-08-10 20:27:39 +0200
committerRalf Baechle <ralf@linux-mips.org>2017-09-06 11:01:52 +0200
commit866b6a89c6d1876fce25c152ef9f887b41ffcf7f (patch)
treeee1d5a144e4ca31cfbc6d569bbce8cc493d53a2e /arch/mips/vdso
parentMIPS: Make SAVE_SOME more standard (diff)
downloadlinux-866b6a89c6d1876fce25c152ef9f887b41ffcf7f.tar.xz
linux-866b6a89c6d1876fce25c152ef9f887b41ffcf7f.zip
MIPS: Add DWARF unwinding to assembly
This will allow kdump dumps to work correclty with MIPS and future DWARF unwinding of the stack to give accurate tracebacks. Signed-off-by: Corey Minyard <cminyard@mvista.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/16990/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/vdso')
-rw-r--r--arch/mips/vdso/sigreturn.S10
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/mips/vdso/sigreturn.S b/arch/mips/vdso/sigreturn.S
index 715bf5993529..30c6219912ac 100644
--- a/arch/mips/vdso/sigreturn.S
+++ b/arch/mips/vdso/sigreturn.S
@@ -19,31 +19,21 @@
.cfi_sections .debug_frame
LEAF(__vdso_rt_sigreturn)
- .cfi_startproc
- .frame sp, 0, ra
- .mask 0x00000000, 0
- .fmask 0x00000000, 0
.cfi_signal_frame
li v0, __NR_rt_sigreturn
syscall
- .cfi_endproc
END(__vdso_rt_sigreturn)
#if _MIPS_SIM == _MIPS_SIM_ABI32
LEAF(__vdso_sigreturn)
- .cfi_startproc
- .frame sp, 0, ra
- .mask 0x00000000, 0
- .fmask 0x00000000, 0
.cfi_signal_frame
li v0, __NR_sigreturn
syscall
- .cfi_endproc
END(__vdso_sigreturn)
#endif